AppleScript: Center Windows on Mac Mojave

CenterWindows.scpt

set theApp to "Google Chrome"
set windowWidth to 1300
set windowHeight to 950

tell application "Finder"
	set screenResolution to bounds of window of desktop
end tell

set screenWidth to item 3 of screenResolution
set screenHeight to item 4 of screenResolution

tell application "System Events"
	set myFrontMost to name of first item of (processes whose frontmost is true)
end tell

tell application "Finder"
	set {desktopTop, desktopLeft, desktopRight, desktopBottom} to bounds of desktop
end tell

try
	tell application "System Events"
		tell process myFrontMost
			set {{w, h}} to size of drawer of window 1
		end tell
	end tell
on error
	set {w, h} to {0, 0}
end try

tell application theApp
	set yAxis to (screenHeight - windowHeight) / 2 as integer
	set xAxis to (screenWidth - windowWidth) / 2 as integer
	set the bounds of the first window to {xAxis, yAxis, windowWidth + xAxis, windowHeight + yAxis}
end tell

tell application "System Events"
	tell process myFrontMost
		try
			set {{w, h}} to size of drawer of window 1
		on error
			set {w, h} to {0, 0}
		end try
		set position of window 1 to {((screenWidth - windowWidth) / 2), ((screenHeight - windowHeight) / 2.0) - desktopTop}
		set size of window 1 to {windowWidth - w, windowHeight}
	end tell
end tell